9.3. High Availability Administration

The Pacemaker Configuration System, or pcs, replaces ccs, ricci and luci as the unified cluster configuration and administration tool. Some of the benefits of pcs include:
  • Command-line tool;
  • Ability to easily bootstrap a cluster, that is, getting the initial cluster up and running;
  • Ability to configure cluster options;
  • Ability to add, remove, or modify resources and their relationships to each other.